sanchayanmaity/xv6-cs450
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

remove duplication

Browse source 
don't use the same name for two different pieces of code
This commit is contained in:
kaashoek 2006-09-03 15:39:29 +00:00
parent 801affcd14
commit 7abf49d2f2
8 changed files with 13 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
asm.h
View file

@ -2,10 +2,10 @@
// macros to create x86 segments from assembler
//
#define SEG_NULL \
#define SEG_NULLASM \
.word 0, 0; \
.byte 0, 0, 0, 0
#define SEG(type,base,lim) \
#define SEG_ASM(type,base,lim) \
.word (((lim) >> 12) & 0xffff), ((base) & 0xffff); \
.byte (((base) >> 16) & 0xff), (0x90 | (type)), \
(0xC0 | (((lim) >> 28) & 0xf)), (((base) >> 24) & 0xff)

6
bootasm.S
View file

@ -87,9 +87,9 @@ spin: jmp spin # ..but in case it does, spin
.p2align 2 # force 4 byte alignment
gdt:
SEG_NULL # null seg
SEG(STA_X|STA_R, 0x0, 0xffffffff) # code seg
SEG(STA_W, 0x0, 0xffffffff) # data seg
SEG_NULLASM # null seg
SEG_ASM(STA_X|STA_R, 0x0, 0xffffffff) # code seg
SEG_ASM(STA_W, 0x0, 0xffffffff) # data seg
gdtdesc:
.word 0x17 # sizeof(gdt) - 1

6
bootother.S
View file

@ -70,9 +70,9 @@ protcseg:
.p2align 2 # force 4 byte alignment
gdt:
SEG_NULL # null seg
SEG(STA_X|STA_R, 0x0, 0xffffffff) # code seg
SEG(STA_W, 0x0, 0xffffffff) # data seg
SEG_NULLASM # null seg
SEG_ASM(STA_X|STA_R, 0x0, 0xffffffff) # code seg
SEG_ASM(STA_W, 0x0, 0xffffffff) # data seg
gdtdesc:
.word 0x17 # sizeof(gdt) - 1

1
console.c
View file

@ -1,5 +1,6 @@
#include "types.h"
#include "x86.h"
#include "traps.h"
#include "defs.h"
#include "spinlock.h"
#include "dev.h"

1
ide.c
View file

@ -8,6 +8,7 @@
#include "proc.h"
#include "defs.h"
#include "x86.h"
#include "traps.h"
#include "spinlock.h"
#define IDE_BSY 0x80

1
picirq.c
View file

@ -2,6 +2,7 @@
#include "types.h"
#include "x86.h"
#include "traps.h"
#include "defs.h"
// I/O Addresses of the two 8259A programmable interrupt controllers

2
traps.h
View file

@ -27,6 +27,8 @@
#define IRQ_OFFSET 32 // IRQ 0 corresponds to int IRQ_OFFSET
#define IRQ_KBD 1
#define IRQ_IDE 14
#define IRQ_TIMER 18
#define IRQ_ERROR 19
#define IRQ_SPURIOUS 31

9
x86.h
View file

@ -151,12 +151,3 @@ struct trapframe {
ushort ss;
ushort padding4;
};
#define MAX_IRQS 16 // Number of IRQs
#define IRQ_OFFSET 32 // IRQ 0 corresponds to int IRQ_OFFSET
#define IRQ_KBD 1
#define IRQ_IDE 14
#define IRQ_ERROR 19
#define IRQ_SPURIOUS 31